Prosecutors allege Gannon Van Dyke won $400,000 using insider information to bet on Maduro raid on Polymarket

• Sign up for the Breaking News US email to get newsletter alerts in your inbox

The US army soldier charged with winning $400,000 by using insider information to bet on the removal of the ousted Venezuelan president Nicolás Maduro pleaded not guilty to fraud charges on Tuesday.

Gannon Ken Van Dyke, 38, entered the plea in US district judge Margaret Garnett’s courtroom in Manhattan. Van Dyke sported a shaved head and wore a black blazer, jeans and brown shoes as he arrived to the courtroom with his lawyers, Zach Intrater and Mark Geragos.

The gambling crisis ‘demands a public health response’ and should be regulated like alcohol or tobacco, expert says

Gambling addiction is spiraling “out of control” in the US, a leading campaigner for stricter guardrails has warned, as experts from around the world are set to gather in Boston to push for more regulation of the industry.

The rapid expansion of online gambling, prediction markets and sports betting platforms, “demands a public health response”, according to Harry Levant, director of gambling policy at the Public Health Advocacy Institute (PHAI), urging policymakers to intervene.

Gannon Ken Van Dyke, who allegedly made more than $400,000 on Polymarket, could face up to 60 years in prison

A US soldier who played a role in the January capture of Venezuelan president Nicolás Maduro is now in custody after allegedly cashing in over $400,000 on wagers about the politician’s removal from office, federal authorities announced on Thursday.

Prosecutors say beginning in early December the soldier, Gannon Ken Van Dyke, was involved in planning for the military operation to capture and depose Maduro.

Forecasting service raises alarm over data from Paris airport used to settle Polymarket wagers on temperature

French police are investigating alleged tampering with national weather forecasting service equipment after a series of unusual temperature readings coincided with suspicious winning bets made on Polymarket.

Data from a Météo-France weather station at Paris’s Charles de Gaulle airport was used to settle bets between online gamblers on what the temperature would be in Paris for March and the first weeks of April.

Disclosures come after firm tightened rules on insider trading, including candidates betting on own campaigns

Before he announced his Senate candidacy, a political hopeful in Virginia did something not so unusual in this day and age: he logged on to a prediction market exchange and wagered money that he would run. Then he ran. Then he bet on that too.

The candidate and trader was Mark Moran, a former FBoy Island contestant who went viral recently for his campaign launch video. Investigators with Kalshi, the federally regulated prediction market exchange, found he placed two trades on their platform, the first in a market asking which individuals would seek public office in 2026, the second after he formally entered the race.